Abstract: The paper analyzes in detail the information hierarchy and flow of enterprise quality system management based on ISO9000 quality management system, studies the reusing, reciting and retrospecting requirement to data model by quality system’s constitution and upgrade and durative quality improvement, discusses the localization of actual quality management information systems, puts forward a dynamic quality system management data model and its framework and functions, and summarizes the model’s characteristic. Finally, it is shown that the model is very effective by an application instance.

Key words: customer relationships management, quality system, quality system management, dynamic quality system management data model